Finding the Fourth Proportional to 3,132,315.80, 4,698,473.70 and 2,136,987.80
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Solution
The fourth proportional to 3,132,315.80, 4,698,473.70 and 2,136,987.80 is: 3,205,481.70
Step by Step Solution
- Step 1: Write the proportion equation
3,132,315.80 : 4,698,473.70 = 2,136,987.80 : x - Step 2: Convert to fraction form
3,132,315.80/4,698,473.70 = 2,136,987.80/x - Step 3: Cross multiply
3,132,315.80x = 4,698,473.70 × 2,136,987.80 - Step 4: Simplify right side
3,132,315.80x = 10,040,580,975,520.86 - Step 5: Solve for x
x = 10,040,580,975,520.86/3,132,315.80 - Step 6: Final answer
x = 3,205,481.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.